FR858736A - Device for protection against harmful gases - Google Patents

Device for protection against harmful gases

Info

Publication number
FR858736A
FR858736A FR858736DA FR858736A FR 858736 A FR858736 A FR 858736A FR 858736D A FR858736D A FR 858736DA FR 858736 A FR858736 A FR 858736A
Authority
FR
France
Prior art keywords
protection against
harmful gases
against harmful
gases
protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Paul Schwartz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZEGO
Original Assignee
ZEGO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZEGO filed Critical ZEGO
Application granted granted Critical
Publication of FR858736A publication Critical patent/FR858736A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/06—Nose filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR858736D 1939-05-02 1939-05-02 Device for protection against harmful gases Expired FR858736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858736T 1939-05-02

Publications (1)

Publication Number Publication Date
FR858736A true FR858736A (en) 1940-12-02

Family

ID=9330100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858736D Expired FR858736A (en) 1939-05-02 1939-05-02 Device for protection against harmful gases

Country Status (1)

Country Link
FR (1) FR858736A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915105A (en) * 1988-10-28 1990-04-10 Lee Tien Chu Miniature respiratory apparatus
IT202000004648A1 (en) * 2020-03-05 2021-09-05 Giancarlo Caputi ANTI CONTAGION FILTER
IT202000004903A1 (en) * 2020-03-09 2021-09-09 Giancarlo Caputi ANTI-CONTAGION FILTER 2

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915105A (en) * 1988-10-28 1990-04-10 Lee Tien Chu Miniature respiratory apparatus
IT202000004648A1 (en) * 2020-03-05 2021-09-05 Giancarlo Caputi ANTI CONTAGION FILTER
IT202000004903A1 (en) * 2020-03-09 2021-09-09 Giancarlo Caputi ANTI-CONTAGION FILTER 2

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